Available Definitions:
1) n. - To generate pus; to become imflamed and suppurate; as, a sore or a wound festers.
2) n. - To be inflamed; to grow virulent, or malignant; to grow in intensity; to rankle.
3) v. t. - To cause to fester or rankle.
4) n. - A small sore which becomes inflamed and discharges corrupt matter; a pustule.
5) n. - A festering or rankling.